Finding the Third Proportional to 156,650 and 238,653

Step by Step Solution

1. Step 1: Write the proportion equation
   156,650 : 238,653 = 238,653 : x
2. Step 2: Convert to fraction form
   156,650/238,653 = 238,653/x
3. Step 3: Cross multiply
   156,650x = 238,653 × 238,653
4. Step 4: Simplify right side
   156,650x = 56,955,254,409
5. Step 5: Solve for x
   x = 56,955,254,409/156,650
6. Step 6: Final answer
   x = 363,582.86